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WARRANTY OBLIGATIONS - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Product Warranty Liability [Line Items] |  |  |  |
Additional warranty expense | $ 3,593 | $ 3,869 | $ 15,517 | $ 7,294
Increase In Replacement Cost Assumption Changes |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |
Additional warranty expense | 2,200 |  | 6,400 |
Field Performance Data And Diagnostic Root-Cause Failure Analysis |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |
Additional warranty expense | $ 1,400 | $ 3,900 | $ 9,100 | $ 7,300

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- Definition Amount of increase (decrease) in the standard and extended product warranty accrual from changes in estimates attributable to preexisting product warranties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(4)) -URI http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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